Lumetri Color - Premiere Pro

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Revision as of 11:53, 4 May 2021 by Krusea (Talk | contribs) (Set Up)

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  • Lumertri Color is the color correcting effect in Premiere Pro
  • Lumetri Scopes are various graphic meters for assisting in color correction.


Set Up

  • Choose the Color workspace.
  • Make sure you can see the Lumertri Color and Lumertri Scopes panels at the same time.
  • When the the Lumertri Color panel is open Selection Follows Playhead is tuned on.
    • This makes it so that the Lumertri Color and Lumertri Scopes panels always show the clip under the playhead.
  • More information about Lumetri Scopes

Basics Controls

  • The check box at the top right of each section can be used to bypass the entire section.
  • Double click on a slider to rest that value to it's default.
  • To add a mask go to the Effects Controls panel and add a mask to Lumetri Color.
  • Color Wheels: Drag around the circle to choose a color. Drag to the edge to increase the intensity. Double click to reset to the default.

Saving Presets

  • At the top of the Lumetri panel click the 3 horizontal lines.
  • Use Export .look to export a LUT.
    • This can be imported in the Creative section
  • Use Save Preset to export a preset.
    • This can be used to add a Lumetri Effect to a clip with all of the settings editable.

Lumetri Color Sections

  • Basic Correction: technical corrections to exposures
  • Creative: apply and adjust looks
  • Curves: refine the look using RGB Curves and the Hue Saturation Curve
  • Color Wheels: adjust shadows mid-tones and highlights
  • HSL Secondary: isolate a color to apply secondary correction
  • Vignette: apply a vignette

Basic Correction

White Balance
  • Set White Balance by using the eye dropper tool to click on a white object in clip.
  • Use the Temperature slider to adjust color temperature.
    • Left for cooler and right for warmer.
  • The Tint slider compensates for a green or magenta tint.
    • Left to add green and right to add magenta.
Tone
  • Exposure: Sets the brightness of the clip. right expands highlights and left expands shadows.
  • Contrast: Adjusts midtones.
  • Highlights: Adjusts bright areas
  • Shadows: Adjusts dark areas.
  • Whites: Adjusts white clipping
  • Blacks: Adjust black clipping
  • Reset: resets all controls to the 0.
  • Auto: Click to automatically maximize the tonal scale and minimize highlight and shadow clipping.
    • This can be useful to start from but do not rely on it.
  • Saturation: Adjusts the saturation levels.

Creative

This section is used to apply and modify Looks.

Looks are presets designed to give the video a certain film look. You can use the included Looks, load other Looks or make custom Looks with Speedgrade.

  • Look: Use the pull down menu to choose a Look. Or click on the image to browse thru the Looks. Double click to apply it.
  • Intensity: Adjusts the intensity of the Look.
  • Faded Film: Applies a faded film effect.
  • Sharpen: Adjusts the edge definition. Too much can make the video look unnatural.
  • Vibrance: changes lower saturated colors with less effect on the higher saturation colors. Also prevents skin tones from being over saturated.
  • Saturation: Adjusts saturation of all colors equally.
  • Tint Balance: Adjust the tint of the shadows and highlights.

Curves

Use to refine the clip with RGB Curves and the Hue Saturation Curve.

RGB Curves
  • The white luma curve controls all 3 colors simultaneously.
  • Click on the red, green or blue to adjust a color independently
  • Click to add a point. Command click to delete a point.
  • Dragging up or down lighten or darkens the clip.
  • Dragging left or right increases or decrease contrast.
Hue Saturation Curves
  • Drag the white wheel outward to saturate or inward to desaturate.
  • Click on the wheel to add edit points.
  • Drag the to modify specific hues.
  • Or click one of the small circles to select a preset color range.

Color Wheels

Adjust shadows, midtones, and highlights using color wheels for more precise color adjustments.

  • Use the 3 wheels to adjust shadows, midtone and highlights.
  • Use the sliders to to increase or decrease the setting.
Color Matching

For comparing the look of two different shots.

  1. Click the Comparison View button
  2. Select the reference position by:
    • Using the slider
    • Entering in a timecode number
    • Jumping to edit points with the arrows
  3. Choose the display mode by selecting the rectangle icons in the middle.
    • Side by Side
    • Vertical Split
    • Horizontal Split
  4. Choose a target clip by positioning the playhead over the clip to be modified.
    1. Make sure that the clip is selected
  5. Face Detection (optional)
    • Face detection is on by default
    • If Auto Color detects faces in either the reference or current frame it gives higher weight to the colors in the facial region. 
  6. Click Apply Match

HSL Secondary

The hue, saturation and luma secondary section is used to isolate a color or luma key and apply a secondary color correction to it.

Control for Setting the Key
  • The H, S and L sections all have check boxes to bypass the setting
  • The top triangle controls the range of the setting.
  • The bottom triangle adds a feathering to the range.
  • Click on the gray bar to drag the range.
  • When a setting is being adjusted the display switches to the mask.
  • Click the check box next to the mask controls to turn the mask on.
  • The mask has three different display settings.
Set the Key
  1. Use one of the preset colors or use the eyedropper to pick the target color
  2. Press the command key with the eyedropper to select a 5 x 5 grid of pixels.
  3. Adjust the range and feathering of the hue.
  4. Fine tune the mask by adjusting the saturation and luma setting.
  5. Use Denoise and Blur as needed to refine the mask.
Adjust the Color
  • Use the little circles at the top to choose between one or three color wheels.
  • Each color wheel con be used to modify the selected color.
  • Each wheel has a luma adjustment slider.
  • Use the Temperature slider to adjust color temperature.
    • Left for cooler and right for warmer.
  • The Tint slider compensates for a green or magenta tint.
    • Left to add green and right to add magenta.
  • Contrast: Adjusts midtones.
  • Sharpen: Sharpens or blurs the selected color.
  • Saturation: Adjusts the saturation

Vigenette

Apply a vignette to achieve a look that is faded out at the edges, and bright at the center.